- 3069 - Fabricated Rubber Products (7 Companies)
- 3083 - Laminated Plastic Plate, Sheet & Shapes (3 Companies)
- 3089 - Plastics Products (19 Companies)
- 3111 - Leather Tanning & Finishing (1 Company)
- 3199 - Leather Goods (1 Company)
- 3211 - Flat Glass (4 Companies)
- 3221 - Glass Containers (1 Company)
- 3229 - Pressed & Blown Glass, Nec (1 Company)
- 3231 - Products Of Purchased Glass (2 Companies)
- 3253 - Ceramic Wall Update Master_sic Tile (1 Company)
- 3255 - Clay Refractories (6 Companies)
- 3271 - Concrete Block & Brick (2 Companies)
- 3272 - Concrete Products (6 Companies)
- 3273 - Ready Mixed Concrete (2 Companies)
- 3292 - Asbestos Products (4 Companies)
- 3299 - Nonmetallic Mineral Products (3 Companies)
- 3312 - Blast Furnaces And Steel Mills (6 Companies)
- 3315 - Steel Wiredrawing, Nails & Spikes (3 Companies)
- 3316 - Cold Finishing Of Steel Shapes (2 Companies)
- 3334 - Primary Aluminum (3 Companies)
- 3339 - Metal Mills, Primary Nonferrous, Nec (1 Company)
- 3356 - Nonferrous Rolling And Drawing, Nec (2 Companies)
- 3369 - Nonferrous Foundries (2 Companies)
- 3398 - Metal Heat Treating (6 Companies)
- 3421 - Cutlery (3 Companies)
- 3423 - Hand & Edge Tools (5 Companies)
- 3429 - Hardware, Nec (2 Companies)
- 3432 - Plumbing Fixture Fittings & Trim (14 Companies)
- 3433 - Heating Equipment, Except Electric (1 Company)
- 3441 - Fabricated Structural Metal (9 Companies)
- 3443 - Fabricated Plate Work (Boiler Shops) (5 Companies)
- 3444 - Sheet Metalwork (34 Companies)
- 3446 - Architectural Metalwork (14 Companies)
- 3448 - Prefabricated Metal Buildings & Components (1 Company)
- 3449 - Misc Structural Metalwork (1 Company)
- 3451 - Screw Machine Products (6 Companies)
- 3469 - Metal Stampings (22 Companies)
- 3471 - Plating And Polishing (56 Companies)
- 3479 - Metal Coating & Allied Services (20 Companies)
- 3491 - Industrial Valves (5 Companies)
- 3496 - Miscellaneous Fabricated Wire Products (1 Company)
- 3499 - Fabricated Metal Products (10 Companies)
- 3519 - Internal Combustion Engines (1 Company)
- 3542 - Machine Tools, Metal Forming Type (1 Company)
- 3543 - Industrial Patterns (1 Company)
- 3544 - Special Dies, Tools, Jigs, And Fixtures (31 Companies)