Grimes Industrial, 929 E. Main St., Tomball, is expanding its operations with a new 11,000-square-foot shop, according to officials with the business and the Tomball Economic Development Corporation. Grimes Industrial manufactures structural steel and sheet metal, specializing in stairways, hand railings, platforms and catwalks. The company said it is hoping to finish the new shop—which will add two 20-ton overhead cranes and powder coating, laser cutting, and press brake operations—by the end of the year, depending on construction delays. 713-921-0000. www.grimes-industrial.com