Lamp Rynearson and Associates has expanded its workforce in Northern Colorado, thanks in part to work on the proposed Niobrara Energy Park in eastern Weld County.

Payroll isn’t the only line item that’s growing at the firm. Over the past several years, the Omaha, Neb., civil engineering company has generated about $10 million in revenue. Projections for 2013, though, call for revenue to jump to around $15 million to $16 million, according to Frank Kohl, Fort Collins principal for the firm.

Lamp Rynearson has nearly doubled the size of its local staff from 11 to 19 in just over a year. It plans to expand further, with more than 20 staffers on its Northern Colorado payroll by year-end. With offices in Omaha, Kansas City and Fort Collins, the firm at the moment has a combined headcount of 135.

The company recently acquired Larkin Aquatics, a Kansas City, Mo., company with 35 employees. The transaction was completed at the end of January and will allow Lamp Rynearson to move into engineering work on wastewater plants and water parks.

Searching for more growth opportunities, the company is part of the Rocky Mountain Wind Consortium, a group of five firms that hopes to encourage a “more