NAICS 331221 · Manufacturing

NAICS 331221

636 active contractors list NAICS 331221 in SAM.gov; 497 are small under its SBA size standard and 45 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 636
Small under 331221SBA size standard for this code: 497
Primary NAICSTheir main line of business: 45
Hidden registrationsExcluded, expired or inactive: 7

Work this industry

Live RFPs in this NAICS
Open SAM.gov solicitations coded 331221, matched to teaming partners.
Expiring awards
Incumbent contracts in 331221 heading to recompete in the next 18 months.
Small under 331221
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 331221

Claimed profiles come first by membership level, then companies with 331221 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

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

Showing 421–440 of 636 contractors

MARTIN MACHINE & WELDING INC
UEIQYUYG8RGK8N7CAGE7EES2
Location: HALSTEAD, KS
Secondary NAICSNot listed as small under 331221
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
MARTIN-ROSS INFINITY SOLUTIONS LLC
UEICTYPRMH194C4CAGE84E40
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
Secondary NAICSSmall under 331221
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
MASTER MACHINING, INC
UEILHD9QP2UJJK9CAGE8JRL8
Location: CASTLE HAYNE, NCSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 331221
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
MATHEW MARINE, INC.
DBA MATHEW MARINE INC
UEISYL7JBVJHCT6CAGE3XVP2
Location: SOUTH HOUSTON, TXSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 331221
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 AVIATION, LLC
UEIY556KBJJF1Y6CAGE4YMQ8
Location: BALDWIN CITY, KS
Secondary NAICSNot listed as small under 331221
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
MCMASTER-CARR SUPPLY CO
UEIYMLVGLU7THD5CAGE3A054
Location: SANTA FE SPRINGS, CA
Secondary NAICSNot listed as small under 331221
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
MCMASTER-CARR SUPPLY CO
UEIZW25WSF2J9Q4CAGE07BY4
Location: AURORA, OH
Secondary NAICSNot listed as small under 331221
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
MCMASTER-CARR SUPPLY COMPANY
UEIQJ8GDNZ7RMC5CAGE2V507
Location: ROBBINSVILLE, NJ
Secondary NAICSNot listed as small under 331221
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 GROUP INC
UEIRKHXEL65NRQ5CAGE1XU31
Location: COLUMBUS, OHSocio-economic status (SAM.gov): SBWOSB
Secondary NAICSSmall under 331221
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
MEDICAL HOTSPOTS, INC
DBA BAILEY'S MEDICAL EQUIPMENT AND SUPPLIES
UEIQMA6WGGSEG58CAGE6UQR5
Location: VERO BEACH, FLSocio-economic status (SAM.gov): SBSDBWOSB
Secondary NAICSSmall under 331221
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
MELTAR SUPPLY LLC
UEIR14EYHWWTAW9CAGE9JNT7
Location: HOUSTON, TX
Secondary NAICSNot listed as small under 331221
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
MERICAPRO LLC
UEIQ6NRKW6XJT55CAGE1A5A9
Location: VERO BEACH, FLSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 331221
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
METAL-FAB SERVICES INDUSTRY, INC
UEIJ6EXCWHXNN18CAGE5ZED0
Location: ANAHEIM, CASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 331221
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
METAL FORMING SOLUTIONS LLC
UEIF12KWZCR7ZM4CAGE9CGR4
Location: TULSA, OKSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 331221
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
METALLUS INC.
UEIXGUMUNQLUH39CAGE741G0
Location: CANTON, OH
Secondary NAICSNot listed as small under 331221
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
META METRICS FUND LLC
UEILFY2VMTA78Q1CAGE9EFT4
Location: HYATTSVILLE, MDSocio-economic status (SAM.gov): SBSDB
Secondary NAICSSmall under 331221
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
MET PLUS LLC
UEIT9ZVU1L4JCM8CAGE07G95
Location: BUFFALO, NY
Secondary NAICSNot listed as small under 331221
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
MFAB CORP
UEIX5UBB9NCAGL1CAGE8MTB7
Location: OAK HILLS, CASocio-economic status (SAM.gov): SBWOSB
Secondary NAICSSmall under 331221
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
M FORGE EQUIPMENT LLC
UEIJZDXRLHTT967CAGE19RC0
Location: COATESVILLE, PA
Secondary NAICSNot listed as small under 331221
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
MGHEATH ADVISORY LLC
UEIVMGKMZV73MQ3CAGE8V2Z8
Location: IRVING, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
Secondary NAICSSmall under 331221
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 331221, page 22 of 32
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
MARTIN MACHINE & WELDING INC UEIQYUYG8RGK8N7CAGE7EES2 Location: HALSTEAD, KS	Secondary NAICSNot listed as small under 331221	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
MARTIN-ROSS INFINITY SOLUTIONS LLC UEICTYPRMH194C4CAGE84E40 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	Secondary NAICSSmall under 331221	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
MASTER MACHINING, INC UEILHD9QP2UJJK9CAGE8JRL8 Location: CASTLE HAYNE, NCSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 331221	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
MATHEW MARINE, INC. DBA MATHEW MARINE INC UEISYL7JBVJHCT6CAGE3XVP2 Location: SOUTH HOUSTON, TXSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 331221	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 AVIATION, LLC UEIY556KBJJF1Y6CAGE4YMQ8 Location: BALDWIN CITY, KS	Secondary NAICSNot listed as small under 331221	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
MCMASTER-CARR SUPPLY CO UEIYMLVGLU7THD5CAGE3A054 Location: SANTA FE SPRINGS, CA	Secondary NAICSNot listed as small under 331221	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
MCMASTER-CARR SUPPLY CO UEIZW25WSF2J9Q4CAGE07BY4 Location: AURORA, OH	Secondary NAICSNot listed as small under 331221	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
MCMASTER-CARR SUPPLY COMPANY UEIQJ8GDNZ7RMC5CAGE2V507 Location: ROBBINSVILLE, NJ	Secondary NAICSNot listed as small under 331221	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 GROUP INC UEIRKHXEL65NRQ5CAGE1XU31 Location: COLUMBUS, OHSocio-economic status (SAM.gov): SBWOSB	Secondary NAICSSmall under 331221	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
MEDICAL HOTSPOTS, INC DBA BAILEY'S MEDICAL EQUIPMENT AND SUPPLIES UEIQMA6WGGSEG58CAGE6UQR5 Location: VERO BEACH, FLSocio-economic status (SAM.gov): SBSDBWOSB	Secondary NAICSSmall under 331221	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
MELTAR SUPPLY LLC UEIR14EYHWWTAW9CAGE9JNT7 Location: HOUSTON, TX	Secondary NAICSNot listed as small under 331221	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
MERICAPRO LLC UEIQ6NRKW6XJT55CAGE1A5A9 Location: VERO BEACH, FLSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 331221	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
METAL-FAB SERVICES INDUSTRY, INC UEIJ6EXCWHXNN18CAGE5ZED0 Location: ANAHEIM, CASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 331221	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
METAL FORMING SOLUTIONS LLC UEIF12KWZCR7ZM4CAGE9CGR4 Location: TULSA, OKSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 331221	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
METALLUS INC. UEIXGUMUNQLUH39CAGE741G0 Location: CANTON, OH	Secondary NAICSNot listed as small under 331221	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
META METRICS FUND LLC UEILFY2VMTA78Q1CAGE9EFT4 Location: HYATTSVILLE, MDSocio-economic status (SAM.gov): SBSDB	Secondary NAICSSmall under 331221	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
MET PLUS LLC UEIT9ZVU1L4JCM8CAGE07G95 Location: BUFFALO, NY	Secondary NAICSNot listed as small under 331221	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
MFAB CORP UEIX5UBB9NCAGL1CAGE8MTB7 Location: OAK HILLS, CASocio-economic status (SAM.gov): SBWOSB	Secondary NAICSSmall under 331221	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
M FORGE EQUIPMENT LLC UEIJZDXRLHTT967CAGE19RC0 Location: COATESVILLE, PA	Secondary NAICSNot listed as small under 331221	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
MGHEATH ADVISORY LLC UEIVMGKMZV73MQ3CAGE8V2Z8 Location: IRVING, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	Secondary NAICSSmall under 331221	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 331221: natural teaming adjacencies.

NAICS 331221

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Contractors listing NAICS 331221

Related industries