C & H EXCAVATION LLC

Construction Sand and Gravel Mining

This includes establishments primarily engaged in one or more of the following: (1) operating commercial grade (i.e., construction) sand and gravel pits; (2) dredging for commercial grade sand and gravel; and (3) washing, screening, or otherwise preparing commercial grade sand and gravel.

Plate Work Manufacturing

This includes establishments primarily engaged in manufacturing fabricated metal plate work by cutting, punching, bending, shaping, and welding purchased metal plate.

Special Die and Tool, Die Set, Jig, and Fixture Manufacturing

This includes establishments, known as tool and die shops, primarily engaged in manufacturing special tools and fixtures, such as cutting dies and jigs.

Machine Tool Manufacturing

This includes establishments primarily engaged in (1) manufacturing metal cutting machine tools (except handtools) and/or (2) manufacturing metal forming machine tools (except handtools), such as punching, sheering, bending, forming, pressing, forging and die-casting machines.

Illustrative Examples:

Bending and forming machines, metalworking, manufacturing
Buffing and polishing machines, metalworking, manufacturing
Drilling machines, metalworking, manufacturing
Grinding machines, metalworking, manufacturing
Home workshop metal cutting machine tools (except handtools, welding equipment) manufacturing
Metalworking lathes manufacturing
Milling machines, metalworking, manufacturing
Stamping machines, metalworking, manufacturing