21St Century Rail Corporation

Doing business as 21St Century Rail Corp Part of Shimmick Construction Company, Inc.

Company facts

Self-certified in SAM.gov: For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov: 488210 Support Activities for Rail Transportation Primary

221310 Water Supply and Irrigation Systems

236210 Industrial Building Construction

237110 Water and Sewer Line and Related Structures Construction

237130 Power and Communication Line and Related Structures Construction

237310 Highway, Street, and Bridge Construction

237990 Other Heavy and Civil Engineering Construction

238910 Site Preparation Contractors

Show all

488999 All Other Support Activities for Transportation

493110 General Warehousing and Storage

541350 Building Inspection Services

541611 Administrative Management and General Management Consulting Services

561110 Office Administrative Services

561210 Facilities Support Services

926120 Regulation and Administration of Transportation Programs
Corporate family: Shimmick Construction Company, Inc. Parent PNF1UVJ6YE96

21St Century Rail Corporation NGJELX5F87K5
SAM.gov registration date: May 4, 2017
Website: shimmick.com
Founded: 1990
Employees: 1K-5K
Estimated annual revenue: $10B+
Industry: Industrials

Capital Goods

Construction & Engineering
SIC code: 87 Engineering & Management Services
Profiles: LinkedIn

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Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Sep 9, 2026.

21St Century Rail Corporation's Unique Entity ID (UEI) in SAM.gov is NGJELX5F87K5.

21St Century Rail Corporation's CAGE code is 7UWV9.

21St Century Rail Corporation's primary NAICS code is 488210 (Support Activities for Rail Transportation).

21St Century Rail Corporation's SAM.gov registration expired on September 9, 2026.

21St Century Rail Corporation is part of Shimmick Construction Company, Inc.

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