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 7,161–7,180 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: $122.9M ($122,947,159) - 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: $122.8M ($122,844,833) - 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: $122.8M ($122,814,751) - 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: $122.7M ($122,675,619) TECHNICA CORPORATION
UEIFPVJBR6CXML9CAGE072P6Location: STERLING, VASocio-economic status (SAM.gov): SBVOSBSecondary 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 expiringObligated, 36 mo: $122.6M ($122,633,012)HOOLAULIMA GOVERNMENT SOLUTIONS, LLC
UEIN18QTR8HAZL5CAGE778J3Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDBSecondary 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: $122.6M ($122,600,402)- 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: $122.5M ($122,483,956) ATSG CORPORATION
DBA ATSG
UEIFVGVB1TCXNB3CAGE3X5P5Location: LORTON, 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: $122.4M ($122,418,438)SAALEX CORP
DBA SAALEX SOLUTIONS INC
UEIKU81PJLZY1N3CAGE1T4Z9Location: WASHINGTON, DCSocio-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: $122.3M ($122,345,051)STAFFORD CONSULTING COMPANY, INC.
DBA STAFFORD CONSULTING CO INC
UEIGMQFM999K2E5CAGE6JNW1Location: MCLEAN, 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: $121.9M ($121,943,395)STRATEGIC DATA SYSTEMS, INC.
UEIK6TLMY7UBHJ6CAGE1KKU1Location: KELLER, TXSocio-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: $121.8M ($121,829,815)ASRC FEDERAL ADVANCED RESEARCH, LLC
UEIHQ6BEJMMEYJ3CAGE8EWY6Location: BELTSVILLE, MDSocio-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: $121.7M ($121,674,895)CHEROKEE NATION DEFENSE SOLUTIONS LLC
UEICVEMGYV2YJW1CAGE57ZD8Location: TULSA, OKSocio-economic status (SAM.gov): SBSDB8(a)TribalSecondary 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: $121.7M ($121,656,057)PANAGORA GROUP INC.
UEICG3CX45JDFX3CAGE67W63Location: SILVER SPRING, MDSocio-economic status (SAM.gov): SBSDBWOSBSecondary 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 expiringObligated, 36 mo: $121.7M ($121,652,649)KAIVA TECH, LLC
UEILJHDHAE4FB75CAGE8N8J5Location: IVINS, UTSocio-economic status (SAM.gov): SDB8(a)HUBZoneTribalSecondary 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: $121.6M ($121,618,932)- 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 expiringObligated, 36 mo: $121.6M ($121,576,871) RSI NUCLEAR, LLC
UEINB31NPVJHRZ5CAGE4F4W2Location: ALBUQUERQUE, NMSocio-economic status (SAM.gov): SBSDBANCSecondary 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: $121.5M ($121,510,541)PLURIBUS DIGITAL, INC
DBA SOLUTION TECHNOLOGY SYSTEMS INC
UEIEBC8TT6W1LR7CAGE1TAD9Location: FALLS CHURCH, 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: $121.3M ($121,319,632)THE ROYSTER GROUP, INC.
UEINKVBFV29D896CAGE3B9T9Location: ATLANTA, GASocio-economic status (SAM.gov): SBSDBSecondary 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: $121.2M ($121,246,794)TRUESTONE, LLC
UEIF8Q6Q81LJW84CAGE3NBM3Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribalSecondary 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: $120.9M ($120,850,179)
| 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 | $122.9M ($122,947,159) | |
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 | $122.8M ($122,844,833) | |
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 | $122.8M ($122,814,751) | |
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 | $122.7M ($122,675,619) | |
UEIFPVJBR6CXML9CAGE072P6 Location: STERLING, VASocio-economic status (SAM.gov): SBVOSB | 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 expiring | $122.6M ($122,633,012) |
HOOLAULIMA GOVERNMENT SOLUTIONS, LLC UEIN18QTR8HAZL5CAGE778J3 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB | 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 | $122.6M ($122,600,402) |
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 | $122.5M ($122,483,956) | |
DBA ATSG UEIFVGVB1TCXNB3CAGE3X5P5 Location: LORTON, 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 | $122.4M ($122,418,438) |
DBA SAALEX SOLUTIONS INC UEIKU81PJLZY1N3CAGE1T4Z9 Location: WASHINGTON, DCSocio-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 | $122.3M ($122,345,051) |
STAFFORD CONSULTING COMPANY, INC. DBA STAFFORD CONSULTING CO INC UEIGMQFM999K2E5CAGE6JNW1 Location: MCLEAN, 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 | $121.9M ($121,943,395) |
UEIK6TLMY7UBHJ6CAGE1KKU1 Location: KELLER, TXSocio-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 | $121.8M ($121,829,815) |
ASRC FEDERAL ADVANCED RESEARCH, LLC UEIHQ6BEJMMEYJ3CAGE8EWY6 Location: BELTSVILLE, MDSocio-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 | $121.7M ($121,674,895) |
CHEROKEE NATION DEFENSE SOLUTIONS LLC UEICVEMGYV2YJW1CAGE57ZD8 Location: TULSA, OKSocio-economic status (SAM.gov): SBSDB8(a)Tribal | 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 | $121.7M ($121,656,057) |
UEICG3CX45JDFX3CAGE67W63 Location: SILVER SPRING, MDSocio-economic status (SAM.gov): SBSDBWOSB | 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 expiring | $121.7M ($121,652,649) |
UEILJHDHAE4FB75CAGE8N8J5 Location: IVINS, UTSocio-economic status (SAM.gov): SDB8(a)HUBZoneTribal | 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 | $121.6M ($121,618,932) |
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 expiring | $121.6M ($121,576,871) | |
UEINB31NPVJHRZ5CAGE4F4W2 Location: ALBUQUERQUE, NMSocio-economic status (SAM.gov): SBSDBANC | 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 | $121.5M ($121,510,541) |
DBA SOLUTION TECHNOLOGY SYSTEMS INC UEIEBC8TT6W1LR7CAGE1TAD9 Location: FALLS CHURCH, 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 | $121.3M ($121,319,632) |
UEINKVBFV29D896CAGE3B9T9 Location: ATLANTA, GASocio-economic status (SAM.gov): SBSDB | 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 | $121.2M ($121,246,794) |
UEIF8Q6Q81LJW84CAGE3NBM3 Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribal | 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 | $120.9M ($120,850,179) |
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
