NAICS 541990 · Professional, Scientific, and Technical Services
All Other Professional, Scientific, and Technical Services
39,390 active contractors list NAICS 541990 (All Other Professional, Scientific, and Technical Services) in SAM.gov; 27,993 are small under its SBA size standard and 6,366 list it as their primary NAICS.
- Active contractors
- 39,390
- Small under 541990SBA size standard for this code
- 27,993
- 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 4,581–4,600 of 39,390 contractors
- Primary 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: None on file PARATEK SOLUTIONS LLC
UEIHLMKWQWLMKR9CAGE7MKR2Location: WARRENTON, VASocio-economic status (SAM.gov): SBVOSBSDVOSBPrimary 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: None on file- Primary 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: None on file - Primary 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: None on file PARMELEE, LESLIE ALAN
UEICFUTGWW1GWL7CAGE9GSG1Location: JACKSONVILLE, FLSocio-economic status (SAM.gov): SBPrimary 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: None on file- Primary 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: None on file PARTICULATE SOLID RESEARCH, INC.
UEIQY9BR29WZH69CAGE5NPH7Location: CHICAGO, ILSocio-economic status (SAM.gov): SBPrimary 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: None on filePAS PROPERTY ACQUISITION SERVICES, LLC
DBA PAS PROPERTY ACQUISITION SERVICES INC
UEIJMVXDH2PNSB8CAGE9NUU4Location: SUGAR LAND, TXSocio-economic status (SAM.gov): SBPrimary 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: None on file- Primary 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: None on file PATHFINDER SERVICES, LLC
UEIGDYVCFGL58K5CAGE10YR0Location: EAST CANAAN, CTSocio-economic status (SAM.gov): SBPrimary 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: None on file- Primary 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: None on file PATH FINDER TECH CORPORATION
DBA PATH FINDER TECH CORP
UEIHCG2WPXQC6V7CAGE9UNY7Location: WOODBRIDGE, VASocio-economic status (SAM.gov): SBPrimary 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: None on filePAT HOPEWELL, LLC
UEIRBTNA52CFJQ8CAGE0GRQ4Location: UPPER MARLBORO, MDSocio-economic status (SAM.gov): SBSDBWOSBPrimary 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: None on filePATHWAY MANAGEMENT INTERNATIONAL INC
UEIGX9LSUF5Q5X9CAGE8UN09Location: FALLSTON, MDSocio-economic status (SAM.gov): SBPrimary 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: None on filePATHWAY TECHNOLOGIES, INC.
UEIDZD3ESFDJFP3CAGE5QCA8Location: RALEIGH, NCSocio-economic status (SAM.gov): SBPrimary 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: None on filePAT KELLER INVESTIGATIONS AND CONSULTING INC.
DBA PAT KELLER INVESTIGATIONS AND CONSULTING INC
UEIUMNVYLHP6D68CAGE21LT9Location: CARMICHAEL, CASocio-economic status (SAM.gov): SBPrimary 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: None on filePATRICIA A. ZAPF, PHD, LLC
UEIC9VLC8ZKM2K8CAGE7A7Q0Location: LITHIA, FLSocio-economic status (SAM.gov): SBSDBWOSBPrimary 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: None on filePATRICIA BRUCKNER
UEIFZ68AHWDKPZ5CAGE12CT0Location: WASHINGTON, DCSocio-economic status (SAM.gov): SBWOSBPrimary 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: None on filePATRICIA MCDADE INC
UEIK86NJ14T5693CAGE865U4Location: MAIDSVILLE, WVSocio-economic status (SAM.gov): SBSDBWOSBPrimary 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: None on file- Primary 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: None on file
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
Primary 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 | None on file | |
UEIHLMKWQWLMKR9CAGE7MKR2 Location: WARRENTON, VASocio-economic status (SAM.gov): SBVOSBSDVOSB | Primary 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 | None on file |
Primary 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 | None on file | |
Primary 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 | None on file | |
UEICFUTGWW1GWL7CAGE9GSG1 Location: JACKSONVILLE, FLSocio-economic status (SAM.gov): SB | Primary 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 | None on file |
Primary 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 | None on file | |
PARTICULATE SOLID RESEARCH, INC. UEIQY9BR29WZH69CAGE5NPH7 Location: CHICAGO, ILSocio-economic status (SAM.gov): SB | Primary 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 | None on file |
PAS PROPERTY ACQUISITION SERVICES, LLC DBA PAS PROPERTY ACQUISITION SERVICES INC UEIJMVXDH2PNSB8CAGE9NUU4 Location: SUGAR LAND, TXSocio-economic status (SAM.gov): SB | Primary 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 | None on file |
Primary 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 | None on file | |
UEIGDYVCFGL58K5CAGE10YR0 Location: EAST CANAAN, CTSocio-economic status (SAM.gov): SB | Primary 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 | None on file |
Primary 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 | None on file | |
DBA PATH FINDER TECH CORP UEIHCG2WPXQC6V7CAGE9UNY7 Location: WOODBRIDGE, VASocio-economic status (SAM.gov): SB | Primary 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 | None on file |
UEIRBTNA52CFJQ8CAGE0GRQ4 Location: UPPER MARLBORO, MDSocio-economic status (SAM.gov): SBSDBWOSB | Primary 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 | None on file |
PATHWAY MANAGEMENT INTERNATIONAL INC UEIGX9LSUF5Q5X9CAGE8UN09 Location: FALLSTON, MDSocio-economic status (SAM.gov): SB | Primary 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 | None on file |
UEIDZD3ESFDJFP3CAGE5QCA8 Location: RALEIGH, NCSocio-economic status (SAM.gov): SB | Primary 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 | None on file |
PAT KELLER INVESTIGATIONS AND CONSULTING INC. DBA PAT KELLER INVESTIGATIONS AND CONSULTING INC UEIUMNVYLHP6D68CAGE21LT9 Location: CARMICHAEL, CASocio-economic status (SAM.gov): SB | Primary 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 | None on file |
UEIC9VLC8ZKM2K8CAGE7A7Q0 Location: LITHIA, FLSocio-economic status (SAM.gov): SBSDBWOSB | Primary 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 | None on file |
UEIFZ68AHWDKPZ5CAGE12CT0 Location: WASHINGTON, DCSocio-economic status (SAM.gov): SBWOSB | Primary 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 | None on file |
UEIK86NJ14T5693CAGE865U4 Location: MAIDSVILLE, WVSocio-economic status (SAM.gov): SBSDBWOSB | Primary 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 | None on file |
Primary 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 | None on file |
Related industries
Codes these contractors list most often alongside 541990: natural teaming adjacencies.
- 541611Administrative Management and General Management Consulting Services22,277shared firms
- 541690Other Scientific and Technical Consulting Services18,939shared firms
- 541618Other Management Consulting Services16,600shared firms
- 541512Computer Systems Design Services15,779shared firms
- 541519Other Computer Related Services15,167shared firms
- 541511Custom Computer Programming Services14,468shared firms
- 541330Engineering Services14,059shared firms
- 611430Professional and Management Development Training11,018shared firms
