Industry · SIC 6351
Surety Insurance
44 tracked issuers filing with the SEC under this industry classification.
Issuers
44
Recent filings
40
SIC code
6351
Industry overview
Surety Insurance
The surety insurance industry, classified under SIC 6351, provides guarantee-based products that back contractual and financial obligations rather than traditional risk pooling. Core offerings include contract surety bonds for construction projects, commercial and license bonds for regulated professions, court and fiduciary bonds, and specialized guarantees for large corporate transactions. Typical customers range from general contractors and engineering firms to small businesses, financial institutions, and public sector entities needing assurance of performance and payment. Key risks center on contractor defaults, project delays, economic downturns, and concentration exposure, all governed by stringent state insurance regulation, capital and reserve requirements, and oversight by rating agencies. In 2024–2025, the sector is shaped by higher infrastructure spending, tighter underwriting standards, increased use of real-time data analytics, and digital platforms that streamline bond issuance and monitoring. To stay current on issuer performance, leverage, and covenant disclosures, view SEC filings on Earnings Feed.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- 144MTGMGIC INVESTMENT CORP5.0 KBSEC(opens sec.gov)
- 144MTGMGIC INVESTMENT CORP6.7 KBSEC(opens sec.gov)
- 144MTGMGIC INVESTMENT CORP5.0 KBSEC(opens sec.gov)
- 144ESNTEssent Group Ltd.5.7 KBSEC(opens sec.gov)
- 144RDNRADIAN GROUP INC5.0 KBSEC(opens sec.gov)
- 144ESNTEssent Group Ltd.4.6 KBSEC(opens sec.gov)
- 144RDNRADIAN GROUP INC4.5 KBSEC(opens sec.gov)
- 144NMIHNMI Holdings, Inc.7.1 KBSEC(opens sec.gov)
- 144MTGMGIC INVESTMENT CORP6.1 KBSEC(opens sec.gov)
- 144ORISEC(opens sec.gov)
- 144ESNTEssent Group Ltd.5.4 KBSEC(opens sec.gov)
- 144ESNTEssent Group Ltd.9.1 KBSEC(opens sec.gov)
- 144ESNTEssent Group Ltd.5.1 KBSEC(opens sec.gov)
- SCHEDULE 13GMBIMBIA INC6.8 KBSEC(opens sec.gov)
- SCHEDULE 13G/AMBIMBIA INC10.0 KBSEC(opens sec.gov)
- 144NMIHNMI Holdings, Inc.5.3 KBSEC(opens sec.gov)
- 8-KRDNRADIAN GROUP INC156.2 KBSEC(opens sec.gov)
- 144ORISEC(opens sec.gov)
- 144ESNTEssent Group Ltd.4.5 KBSEC(opens sec.gov)
- 10-QESNTEssent Group Ltd.11.5 MBSEC(opens sec.gov)
- 10-QRDNRADIAN GROUP INC33.2 MBSEC(opens sec.gov)
- 144MTGMGIC INVESTMENT CORP5.0 KBSEC(opens sec.gov)
- 8-KAGOASSURED GUARANTY LTD948.7 KBSEC(opens sec.gov)
- 10-QAGOASSURED GUARANTY LTD26.4 MBSEC(opens sec.gov)
- 8-KESNTEssent Group Ltd.1.5 MBSEC(opens sec.gov)
- 10-QOSGOCTAVE SPECIALTY GROUP INC18.9 MBSEC(opens sec.gov)
- 8-KOSGSEC(opens sec.gov)
- 10-QMBIMBIA INC40.2 MBSEC(opens sec.gov)
- 8-KMBIMBIA INC202.2 KBSEC(opens sec.gov)
- 8-KAGOASSURED GUARANTY LTD4.1 MBSEC(opens sec.gov)
- SCHEDULE 13G/AESNTEssent Group Ltd.11.6 KBSEC(opens sec.gov)
- 8-KRDNRADIAN GROUP INC3.4 MBSEC(opens sec.gov)
- 144MTGMGIC INVESTMENT CORP4.4 KBSEC(opens sec.gov)
- 144NMIHNMI Holdings, Inc.4.6 KBSEC(opens sec.gov)
- 144MTGMGIC INVESTMENT CORP6.1 KBSEC(opens sec.gov)
- 144MTGMGIC INVESTMENT CORP4.8 KBSEC(opens sec.gov)
- 10-QORISEC(opens sec.gov)
- SCHEDULE 13GOSGSEC(opens sec.gov)
- 10-QNMIHNMI Holdings, Inc.8.0 MBSEC(opens sec.gov)
- 144ORISEC(opens sec.gov)
Featured issuers
- ACMAT CORPCIK 0000002062
- AMERICAN CAPITAL ACCESS HOLDINGS LTDCIK 0001278542
- AMERIN CORPCIK 0001001603
- AMWEST INSURANCE GROUP INCCIK 0000780118
- ASSURED GUARANTY LTDCIK 0001273813AGO
- BANKERS LIFE HOLDING CORPCIK 0000894357
- CAPITAL RE CORPCIK 0000829277
- CAPMAC HOLDINGS INCCIK 0000889906
- CENTRIS GROUP INCCIK 0000798085
- CGA GROUP LTDCIK 0001049632
- CHUBB EXECUTIVE RISK INCCIK 0000914069
- CNA SURETY CORPCIK 0001044566
Classification
- SIC code
- 6351
- Total issuers
- 44
- Recent filings
- 40