NAICS 541380 · Professional, Scientific, and Technical Services

Testing Laboratories and Services

8,987 active contractors list NAICS 541380 (Testing Laboratories and Services) in SAM.gov; 5,538 are small under its SBA size standard and 1,754 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 8,987
Small under 541380SBA size standard for this code: 5,538
Primary NAICSTheir main line of business: 1,754
Hidden registrationsExcluded, expired or inactive: 111

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Live RFPs in this NAICS
Open SAM.gov solicitations coded 541380, matched to teaming partners.
Expiring awards
Incumbent contracts in 541380 heading to recompete in the next 18 months.
Small under 541380
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 541380

Claimed profiles come first by membership level, then companies with 541380 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

111 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them

Showing 921–940 of 8,987 contractors

HDH INSP, LLC
UEIYTMXDD2SXJ73CAGE125T2
Location: ANAHEIM, CASocio-economic status (SAM.gov): SBSDB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HEALTH-LINK PARAMEDICAL SERVICES, INC.
DBA HEALTH-LINK DRUG TESTING
UEIUAFASWJK8J68CAGE184C1
Location: HARTFORD, ALSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541380
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 expiringObligated, 36 mo: None on file
HEARTLAND ASSAYS LLC
UEIMZATHYXHQ5G5CAGE4GJA4
Location: AMES, IA
Primary NAICSNot listed as small under 541380
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 expiringObligated, 36 mo: None on file
HELIUM LEAK TESTING INC
UEILKGSFDCM6EJ5CAGE65041
Location: SIMI VALLEY, CASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HELIX3, INC.
UEIC2W5YWKBJBZ5CAGE3V8S4
Location: MORRISVILLE, NCSocio-economic status (SAM.gov): SBSDBWOSB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HERZOG SERVICES, INC.
UEIDKLRPUS3TUP3CAGE4P2S7
Location: ST. JOSEPH, MO
Primary NAICSNot listed as small under 541380
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 activeObligated, 36 mo: None on file
HFRC, LLC
UEINPHATT3ZETE3CAGE13TD2
Location: SAN ANTONIO, TX
Primary NAICSNot listed as small under 541380
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 activeObligated, 36 mo: None on file
HI-REL LABORATORIES INC
UEIHN14VK9NEAK8CAGE2V594
Location: SPOKANE, WASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HITDNA LLC
UEIMLK4XNB47W85CAGE7KAT3
Location: HIGHLAND, CA
Primary NAICSNot listed as small under 541380
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 expiringObligated, 36 mo: None on file
HI-TEK BALANCING, INC
UEIW9C9BXCAMZA4CAGE4RDA5
Location: LUNENBURG, MA
Primary NAICSNot listed as small under 541380
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 activeObligated, 36 mo: None on file
HJ OPTRONICS, INC.
UEIKPFPJL8MKJ44CAGE6XK07
Location: SAN JOSE, CASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HOLCO METROLOGY SOLUTIONS LLC
UEIMN7MBELNTUB1CAGE67SU1
Location: NORTH WALES, PASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HOME AND HARMONY LIVING SERVICES LLC
DBA HEALTH & HARMONY SCREENINGS
UEIG3ETSEE3YVG9CAGE22C97
Location: TEXARKANA, TXSocio-economic status (SAM.gov): SBSDBWOSB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HOMER R DULIN COMPANY
DBA HOMER R DULIN CO
UEIKL3EZN3LLLT8CAGE49S76
Location: SIGNAL HILL, CASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HORIZON LABORATORY, LLC
DBA HORIZON LABORATORIES LLC
UEIXQJ5DC8VKGT3CAGE9RNB9
Location: LOVELAND, CO
Primary NAICSNot listed as small under 541380
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 activeObligated, 36 mo: None on file
HOUSTON ADVANCED SURGICAL SERVICES, LLC
DBA H.A.S.S DRUG & DNA TESTING
UEIDLNFPA7N9348CAGE9WNM2
Location: CONROE, TXSocio-economic status (SAM.gov): SBSDBWOSBVOSBSDVOSB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
H & P MOBILE GEOCHEMISTRY, INC
UEIEFGLC5X1EDN6CAGE5T2F8
Location: CARLSBAD, CA
Primary NAICSNot listed as small under 541380
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 expiringObligated, 36 mo: None on file
H & S INSPECTION SERVICE, INC.
UEITX7BPDCTNUA4CAGE0AD75
Location: TROY, MISocio-economic status (SAM.gov): SB
Primary NAICSSmall under 541380
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 expiringObligated, 36 mo: None on file
HUDSON PEAKS CONSULTING LLC
UEIYXEDKRKDRP73CAGE8K9Z6
Location: ELMHURST, NYSocio-economic status (SAM.gov): SBSDB
Primary NAICSSmall under 541380
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 activeObligated, 36 mo: None on file
HUGH'S MECHANICAL EQUIPMENT, LLC.
DBA HUGHS MECHANICAL EQUIPMENT
UEIXESPXLAMDKW7CAGE8H7X0
Location: ELLINGTON, CT
Primary NAICSNot listed as small under 541380
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 activeObligated, 36 mo: None on file

Contractors listing NAICS 541380, page 47 of 450
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
HDH INSP, LLC UEIYTMXDD2SXJ73CAGE125T2 Location: ANAHEIM, CASocio-economic status (SAM.gov): SBSDB	Primary NAICSSmall under 541380	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
HEALTH-LINK PARAMEDICAL SERVICES, INC. DBA HEALTH-LINK DRUG TESTING UEIUAFASWJK8J68CAGE184C1 Location: HARTFORD, ALSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541380	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
HEARTLAND ASSAYS LLC UEIMZATHYXHQ5G5CAGE4GJA4 Location: AMES, IA	Primary NAICSNot listed as small under 541380	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
HELIUM LEAK TESTING INC UEILKGSFDCM6EJ5CAGE65041 Location: SIMI VALLEY, CASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541380	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
HELIX3, INC. UEIC2W5YWKBJBZ5CAGE3V8S4 Location: MORRISVILLE, NCSocio-economic status (SAM.gov): SBSDBWOSB	Primary NAICSSmall under 541380	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
HERZOG SERVICES, INC. UEIDKLRPUS3TUP3CAGE4P2S7 Location: ST. JOSEPH, MO	Primary NAICSNot listed as small under 541380	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
HFRC, LLC UEINPHATT3ZETE3CAGE13TD2 Location: SAN ANTONIO, TX	Primary NAICSNot listed as small under 541380	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
HI-REL LABORATORIES INC UEIHN14VK9NEAK8CAGE2V594 Location: SPOKANE, WASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541380	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
HITDNA LLC UEIMLK4XNB47W85CAGE7KAT3 Location: HIGHLAND, CA	Primary NAICSNot listed as small under 541380	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
HI-TEK BALANCING, INC UEIW9C9BXCAMZA4CAGE4RDA5 Location: LUNENBURG, MA	Primary NAICSNot listed as small under 541380	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
HJ OPTRONICS, INC. UEIKPFPJL8MKJ44CAGE6XK07 Location: SAN JOSE, CASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541380	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
HOLCO METROLOGY SOLUTIONS LLC UEIMN7MBELNTUB1CAGE67SU1 Location: NORTH WALES, PASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541380	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
HOME AND HARMONY LIVING SERVICES LLC DBA HEALTH & HARMONY SCREENINGS UEIG3ETSEE3YVG9CAGE22C97 Location: TEXARKANA, TXSocio-economic status (SAM.gov): SBSDBWOSB	Primary NAICSSmall under 541380	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
HOMER R DULIN COMPANY DBA HOMER R DULIN CO UEIKL3EZN3LLLT8CAGE49S76 Location: SIGNAL HILL, CASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541380	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
HORIZON LABORATORY, LLC DBA HORIZON LABORATORIES LLC UEIXQJ5DC8VKGT3CAGE9RNB9 Location: LOVELAND, CO	Primary NAICSNot listed as small under 541380	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
HOUSTON ADVANCED SURGICAL SERVICES, LLC DBA H.A.S.S DRUG & DNA TESTING UEIDLNFPA7N9348CAGE9WNM2 Location: CONROE, TXSocio-economic status (SAM.gov): SBSDBWOSBVOSBSDVOSB	Primary NAICSSmall under 541380	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
H & P MOBILE GEOCHEMISTRY, INC UEIEFGLC5X1EDN6CAGE5T2F8 Location: CARLSBAD, CA	Primary NAICSNot listed as small under 541380	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
H & S INSPECTION SERVICE, INC. UEITX7BPDCTNUA4CAGE0AD75 Location: TROY, MISocio-economic status (SAM.gov): SB	Primary NAICSSmall under 541380	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
HUDSON PEAKS CONSULTING LLC UEIYXEDKRKDRP73CAGE8K9Z6 Location: ELMHURST, NYSocio-economic status (SAM.gov): SBSDB	Primary NAICSSmall under 541380	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
HUGH'S MECHANICAL EQUIPMENT, LLC. DBA HUGHS MECHANICAL EQUIPMENT UEIXESPXLAMDKW7CAGE8H7X0 Location: ELLINGTON, CT	Primary NAICSNot listed as small under 541380	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

Codes these contractors list most often alongside 541380: natural teaming adjacencies.

Testing Laboratories and Services

Work this industry

Contractors listing NAICS 541380

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