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.

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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 6,541–6,560 of 8,987 contractors

MCCALLIE ASSOCIATES SYSTEMS SERVICES, LLC
UEIL371WKTA18T7CAGE12D30
Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBANCTribal
Secondary 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
MCCALLUM TESTING LLC
DBA MCCALLUM TESTING LABORATORIES
UEIPL8BCL3U7X78CAGE0G2C4
Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBWOSB
Secondary 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
MCCLANAHAN INC.
DBA HARTMAN AIR
UEIVKH3TRGB9GJ4CAGE87MF3
Location: LAKE FOREST, CA
Secondary 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
MCCLELLAND CONSULTING ENGINEERS, LLC
UEIC2D1QU1MC1L4CAGE1RV82
Location: LITTLE ROCK, AR
Secondary 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
MCCLERNON, LLC
DBA BIOMONTR
UEIXMRZSGB1K4M4CAGE8JQE5
Location: CARY, NCSocio-economic status (SAM.gov): SB
Secondary 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
MCCONNELL JONES LANIER & MURPHY LLP
UEIYKNLXRTV6CA6CAGE3CT95
Location: HOUSTON, TXSocio-economic status (SAM.gov): SB
Secondary 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
MCDADE-WOODCOCK INC
UEILJPMR9J4LYB1CAGE0UK79
Location: ALBUQUERQUE, NM
Secondary 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
MCDEVITT AND ASSOCIATES INC
UEIVCJKLGB2E5Q6CAGE7CPT6
Location: MOUNT PLEASANT, SCSocio-economic status (SAM.gov): SBVOSB
Secondary 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
MCDOWELL AND ASSOCIATES, INC.
DBA MCDOWELL & ASSOCIATES
UEIP4KDUFZZGS13CAGE4NA98
Location: FERNDALE, MISocio-economic status (SAM.gov): SB
Secondary 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
MCFARLANE, INC.
UEIQYF5JHJ1WNR8CAGE43227
Location: GRAND FORKS, NDSocio-economic status (SAM.gov): SB
Secondary 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
MCGILL & CO. DESIGNS LLC
UEIFLQUK6XQUNJ7CAGE23B83
Location: SMITHFIELD, NCSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary 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
MCHALE & ASSOCIATES, INC
DBA MCHALE & ASSOCIATES INC
UEIJ3LFH45ZMX34CAGE52JQ8
Location: REDMOND, WASocio-economic status (SAM.gov): SB
Secondary 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
MCKENNA SUNABE & ASSOCIATES LLC
UEIJKY6P3X1YMM3CAGE6TW51
Location: KAPOLEI, HISocio-economic status (SAM.gov): SBWOSB
Secondary 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
MCNEIL SECURITY INC
UEIRN9VEB5P7NE3CAGE33PM1
Location: CHANTILLY, VA
Secondary 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
MC RESULTS LLC
UEIQPCUXY3A7TA8CAGE25DG9
Location: ROCK HILL, SCSocio-economic status (SAM.gov): SBSDB
Secondary 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
MC SQUARED, LLC
UEIJTXFUYPRA6P5CAGE8CJA5
Location: KENNESAW, GASocio-economic status (SAM.gov): SB
Secondary 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
MD ACOUSTICS LLC
UEIL31KKDYMEEN6CAGE6SSJ6
Location: GILBERT, AZSocio-economic status (SAM.gov): SB
Secondary 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
MDINR LLC
DBA MDINR, LLC
UEIUSCZKFHKR533CAGE9CXJ5
Location: CLEARWATER, FL
Secondary 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
MD TECH CENTER LLC
UEIZE9KMLLCJ9A3CAGE7W9R7
Location: TEMPLE HILLS, MDSocio-economic status (SAM.gov): SBWOSB
Secondary 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
ME&A, INC.
UEIP4ZFK5BMEKF4CAGE3FXE7
Location: BETHESDA, MDSocio-economic status (SAM.gov): SBWOSB
Secondary 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

Contractors listing NAICS 541380, page 328 of 450
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
MCCALLIE ASSOCIATES SYSTEMS SERVICES, LLC UEIL371WKTA18T7CAGE12D30 Location: ANCHORAGE, AKSocio-economic status (SAM.gov): SBANCTribal	Secondary 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
MCCALLUM TESTING LLC DBA MCCALLUM TESTING LABORATORIES UEIPL8BCL3U7X78CAGE0G2C4 Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBWOSB	Secondary 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
MCCLANAHAN INC. DBA HARTMAN AIR UEIVKH3TRGB9GJ4CAGE87MF3 Location: LAKE FOREST, CA	Secondary 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
MCCLELLAND CONSULTING ENGINEERS, LLC UEIC2D1QU1MC1L4CAGE1RV82 Location: LITTLE ROCK, AR	Secondary 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
MCCLERNON, LLC DBA BIOMONTR UEIXMRZSGB1K4M4CAGE8JQE5 Location: CARY, NCSocio-economic status (SAM.gov): SB	Secondary 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
MCCONNELL JONES LANIER & MURPHY LLP UEIYKNLXRTV6CA6CAGE3CT95 Location: HOUSTON, TXSocio-economic status (SAM.gov): SB	Secondary 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
MCDADE-WOODCOCK INC UEILJPMR9J4LYB1CAGE0UK79 Location: ALBUQUERQUE, NM	Secondary 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
MCDEVITT AND ASSOCIATES INC UEIVCJKLGB2E5Q6CAGE7CPT6 Location: MOUNT PLEASANT, SCSocio-economic status (SAM.gov): SBVOSB	Secondary 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
MCDOWELL AND ASSOCIATES, INC. DBA MCDOWELL & ASSOCIATES UEIP4KDUFZZGS13CAGE4NA98 Location: FERNDALE, MISocio-economic status (SAM.gov): SB	Secondary 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
MCFARLANE, INC. UEIQYF5JHJ1WNR8CAGE43227 Location: GRAND FORKS, NDSocio-economic status (SAM.gov): SB	Secondary 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
MCGILL & CO. DESIGNS LLC UEIFLQUK6XQUNJ7CAGE23B83 Location: SMITHFIELD, NCSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary 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
MCHALE & ASSOCIATES, INC DBA MCHALE & ASSOCIATES INC UEIJ3LFH45ZMX34CAGE52JQ8 Location: REDMOND, WASocio-economic status (SAM.gov): SB	Secondary 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
MCKENNA SUNABE & ASSOCIATES LLC UEIJKY6P3X1YMM3CAGE6TW51 Location: KAPOLEI, HISocio-economic status (SAM.gov): SBWOSB	Secondary 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
MCNEIL SECURITY INC UEIRN9VEB5P7NE3CAGE33PM1 Location: CHANTILLY, VA	Secondary 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
MC RESULTS LLC UEIQPCUXY3A7TA8CAGE25DG9 Location: ROCK HILL, SCSocio-economic status (SAM.gov): SBSDB	Secondary 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
MC SQUARED, LLC UEIJTXFUYPRA6P5CAGE8CJA5 Location: KENNESAW, GASocio-economic status (SAM.gov): SB	Secondary 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
MD ACOUSTICS LLC UEIL31KKDYMEEN6CAGE6SSJ6 Location: GILBERT, AZSocio-economic status (SAM.gov): SB	Secondary 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
MDINR LLC DBA MDINR, LLC UEIUSCZKFHKR533CAGE9CXJ5 Location: CLEARWATER, FL	Secondary 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
MD TECH CENTER LLC UEIZE9KMLLCJ9A3CAGE7W9R7 Location: TEMPLE HILLS, MDSocio-economic status (SAM.gov): SBWOSB	Secondary 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
ME&A, INC. UEIP4ZFK5BMEKF4CAGE3FXE7 Location: BETHESDA, MDSocio-economic status (SAM.gov): SBWOSB	Secondary 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

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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