NAICS 541990 · Professional, Scientific, and Technical Services
All Other Professional, Scientific, and Technical Services
39,391 active contractors list NAICS 541990 (All Other Professional, Scientific, and Technical Services) in SAM.gov; 28,009 are small under its SBA size standard and 6,366 list it as their primary NAICS.
- Active contractors
- 39,391
- Small under 541990SBA size standard for this code
- 28,009
- Primary NAICSTheir main line of business
- 6,366
- Hidden registrationsExcluded, expired or inactive
- 528
Work this industry
Live RFPs in this NAICS
Open SAM.gov solicitations coded 541990, matched to teaming partners.
Expiring awards
Incumbent contracts in 541990 heading to recompete in the next 18 months.
Small under 541990
Partners SAM.gov lists as small under this code: the size check a set-aside uses.
Size is NAICS-specific: a firm can be small under one code and other than small under another. Learn more about small business set-asides
Contractors listing NAICS 541990
Claimed profiles come first by membership level, then companies with 541990 as their primary NAICS, then federal obligations over the last 36 months. SPRS shows the highest blind bracket met, never the score. Learn more about blind SPRS brackets
528 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them
Showing 7,421–7,440 of 39,391 contractors
- Secondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $85.5M ($85,536,418) ECCALON, LLC
DBA ECCALON LLC
UEIFMCVFMNEQF31CAGE7XWL4Location: HANOVER, MDSocio-economic status (SAM.gov): SBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $85.2M ($85,168,658)ARCTIC PEAK LLC
UEIPMWJHM3WMZK3CAGE89AS9Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribalSecondary NAICSSmall under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.9M ($84,905,158)TEKSOUTH CORPORATION
UEIMDUHCLAXK589CAGE0WXG1Location: GARDENDALE, ALSocio-economic status (SAM.gov): SBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.8M ($84,799,324)INFINITY SYSTEMS ENGINEERING, A LTD. LIABILITY CO.
DBA INFINITY SYSTEMS ENGINEERING LLC
UEIQ3YDJ4AH21H6CAGE06WG6Location: COLORADO SPRINGS, COSocio-economic status (SAM.gov): SBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.8M ($84,794,825)SOLUTIONS THROUGH INNOVATIVE TECHNOLOGIES INC
DBA SENTIR LABORATORIES
UEIN53NQ8HY6P54CAGE3EMZ0Location: FAIRBORN, OHSocio-economic status (SAM.gov): SBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.7M ($84,702,411)SCIENTIFIC CONSULTING GROUP INC
UEILSZJAWFLHJ15CAGE09EE8Location: GAITHERSBURG, MDSocio-economic status (SAM.gov): SBWOSBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.6M ($84,611,144)CHAINBRIDGE SOLUTIONS INCORPORATED
UEIK7UNTJVBN6M3CAGE6VPY2Location: FAIRFAX, VASocio-economic status (SAM.gov): SBWOSBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.6M ($84,573,714)- Secondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $84.5M ($84,457,143) KONIAG SERVICES, INC.
UEIKYN9K7FSCVN4CAGE3CX44Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDBANCSecondary NAICSSmall under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.3M ($84,290,457)ALETO, INC.
DBA ALETO INC
UEIE396FS7VCJX5CAGE7LWU8Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDB8(a)Secondary NAICSSmall under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84.2M ($84,232,603)CHENEGA INTEGRATED SECURITY SOLUTIONS, LLC
UEIQGJNGLBLVKY6CAGE5BN19Location: CHANTILLY, VASocio-economic status (SAM.gov): ANCSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $84M ($84,017,778)LOCKWOOD HILLS FEDERAL LLC
UEILN3GRBM6R1M7CAGE7CJ80Location: HERNDON, VASocio-economic status (SAM.gov): SBANCTribalSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $83.7M ($83,721,002)PINGWIND INC
UEIK3M7BB87ALU4CAGE6T6U1Location: ANNANDALE, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $83.5M ($83,497,661)FIRST DIVISION CONSULTING INC.
DBA FIRST DIVISION CONSULTING INC
UEIMWRNYVKX4NQ1CAGE63WN8Location: BURKE, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $83.4M ($83,377,310)EXAMINATION RESOURCES LLC
UEIC888L63CA9B5CAGE65RJ3Location: ATLANTA, GASocio-economic status (SAM.gov): SBWOSBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $83.2M ($83,236,211)KIKAHA SOLUTIONS, LLC
UEIKHLFC1HXCKL1CAGE7YTL2Location: ORLANDO, FLSocio-economic status (SAM.gov): SBSDB8(a)ANCSecondary NAICSSmall under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $83M ($82,986,027)UNIFIED BUSINESS TECHNOLOGIES, INC.
DBA ATROY INC
UEIG5LHK66N7M25CAGE3XMH1Location: TROY, MISocio-economic status (SAM.gov): SBWOSBSecondary NAICSSmall under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $82.8M ($82,768,180)R & M GOVERNMENT SERVICES INC
UEIM8BLN7XW5M86CAGE6FN58Location: LAS CRUCES, NMSocio-economic status (SAM.gov): SBSDBHUBZoneWOSBVOSBSDVOSBSecondary NAICSNot listed as small under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $82.8M ($82,757,884)VECTOR RESOURCE INC
UEIEK38FYR4WKJ7CAGE1SML4Location: SEWICKLEY, PASocio-economic status (SAM.gov): SBWOSBSecondary NAICSSmall under 541990CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: $82.7M ($82,726,788)
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $85.5M ($85,536,418) | |
DBA ECCALON LLC UEIFMCVFMNEQF31CAGE7XWL4 Location: HANOVER, MDSocio-economic status (SAM.gov): SB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $85.2M ($85,168,658) |
UEIPMWJHM3WMZK3CAGE89AS9 Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribal | Secondary NAICSSmall under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.9M ($84,905,158) |
UEIMDUHCLAXK589CAGE0WXG1 Location: GARDENDALE, ALSocio-economic status (SAM.gov): SB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.8M ($84,799,324) |
INFINITY SYSTEMS ENGINEERING, A LTD. LIABILITY CO. DBA INFINITY SYSTEMS ENGINEERING LLC UEIQ3YDJ4AH21H6CAGE06WG6 Location: COLORADO SPRINGS, COSocio-economic status (SAM.gov): SB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.8M ($84,794,825) |
SOLUTIONS THROUGH INNOVATIVE TECHNOLOGIES INC DBA SENTIR LABORATORIES UEIN53NQ8HY6P54CAGE3EMZ0 Location: FAIRBORN, OHSocio-economic status (SAM.gov): SB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.7M ($84,702,411) |
SCIENTIFIC CONSULTING GROUP INC UEILSZJAWFLHJ15CAGE09EE8 Location: GAITHERSBURG, MDSocio-economic status (SAM.gov): SBWOSB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.6M ($84,611,144) |
CHAINBRIDGE SOLUTIONS INCORPORATED UEIK7UNTJVBN6M3CAGE6VPY2 Location: FAIRFAX, VASocio-economic status (SAM.gov): SBWOSB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.6M ($84,573,714) |
Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.5M ($84,457,143) | |
UEIKYN9K7FSCVN4CAGE3CX44 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBSDBANC | Secondary NAICSSmall under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.3M ($84,290,457) |
DBA ALETO INC UEIE396FS7VCJX5CAGE7LWU8 Location: ARLINGTON, VASocio-economic status (SAM.gov): SBSDB8(a) | Secondary NAICSSmall under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84.2M ($84,232,603) |
CHENEGA INTEGRATED SECURITY SOLUTIONS, LLC UEIQGJNGLBLVKY6CAGE5BN19 Location: CHANTILLY, VASocio-economic status (SAM.gov): ANC | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $84M ($84,017,778) |
UEILN3GRBM6R1M7CAGE7CJ80 Location: HERNDON, VASocio-economic status (SAM.gov): SBANCTribal | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $83.7M ($83,721,002) |
UEIK3M7BB87ALU4CAGE6T6U1 Location: ANNANDALE, VASocio-economic status (SAM.gov): SBVOSBSDVOSB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $83.5M ($83,497,661) |
FIRST DIVISION CONSULTING INC. DBA FIRST DIVISION CONSULTING INC UEIMWRNYVKX4NQ1CAGE63WN8 Location: BURKE, VASocio-economic status (SAM.gov): SBVOSBSDVOSB | Secondary NAICSSmall under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $83.4M ($83,377,310) |
UEIC888L63CA9B5CAGE65RJ3 Location: ATLANTA, GASocio-economic status (SAM.gov): SBWOSB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $83.2M ($83,236,211) |
UEIKHLFC1HXCKL1CAGE7YTL2 Location: ORLANDO, FLSocio-economic status (SAM.gov): SBSDB8(a)ANC | Secondary NAICSSmall under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $83M ($82,986,027) |
UNIFIED BUSINESS TECHNOLOGIES, INC. DBA ATROY INC UEIG5LHK66N7M25CAGE3XMH1 Location: TROY, MISocio-economic status (SAM.gov): SBWOSB | Secondary NAICSSmall under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $82.8M ($82,768,180) |
UEIM8BLN7XW5M86CAGE6FN58 Location: LAS CRUCES, NMSocio-economic status (SAM.gov): SBSDBHUBZoneWOSBVOSBSDVOSB | Secondary NAICSNot listed as small under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $82.8M ($82,757,884) |
UEIEK38FYR4WKJ7CAGE1SML4 Location: SEWICKLEY, PASocio-economic status (SAM.gov): SBWOSB | Secondary NAICSSmall under 541990 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | $82.7M ($82,726,788) |
Related industries
Codes these contractors list most often alongside 541990: natural teaming adjacencies.
- 541611Administrative Management and General Management Consulting Services22,278shared firms
- 541690Other Scientific and Technical Consulting Services18,939shared firms
- 541618Other Management Consulting Services16,600shared firms
- 541512Computer Systems Design Services15,780shared firms
- 541519Other Computer Related Services15,168shared firms
- 541511Custom Computer Programming Services14,469shared firms
- 541330Engineering Services14,060shared firms
- 611430Professional and Management Development Training11,018shared firms