TWM Welcomes
TWM Welcomes Peoria-Based Mohr & Kerr Engineering to the Firm Peoria, IL - TWM, Inc., one of the top engineering and geospatial firms in the metro-east St. Louis area, is proud to announce that Mohr & Kerr Engineering & Land Surveying, P.C., of Peoria, Illinois, has become part of TWM. This strategic addition strengthens TWM’s presence in central Illinois and the Midwest, significantly expanding the firm’s civil engineering, land surveying, and geospatial service capabilities.
The addition of Mohr & Kerr brings 18 new employee-owners to TWM, including several licensed Professional Engineers (PEs) and licensed Professional Land Surveyors (PLSs). The expanded team also includes support from crew chiefs, CAD professionals, and engineering designers/assistant project managers, adding depth, capacity, and technical strength across multiple disciplines.
“This is another exciting step forward for TWM,” said Robert DeConcini, PE, President. “Mohr & Kerr has built a strong reputation in the Peoria market, and their values, technical expertise, and client-focused approach align seamlessly with ours. By bringing our teams together, we are better positioned to deliver exceptional service and expanded solutions to our clients throughout central and northern Illinois.”
For the near term, both firms will continue operating from their existing Peoria-area office locations while TWM evaluates options for a future, consolidated space large enough to support the combined Peoria team.
“We’re proud to join TWM and become part of a firm that shares our commitment to quality, integrity, and long-term client relationships,” said Co-founder, Mike Mohr, Mohr & Kerr Engineering & Land Surveying, P.C. “This transition allows us to continue serving our clients with the same trusted team while gaining access to broader resources, additional service lines, and new opportunities for growth.”
Mohr & Kerr brings an established base of geospatial and land development clients, and together, this combination will be able to lead the Peoria market and provide a broader array of civil engineering and land surveying services to the region while strengthening service to existing clients.
By uniting these teams, TWM continues to reinforce its commitment to thoughtful growth and employee ownership while providing greater knowledge, skill, and resources than either firm could have delivered independently—all in support of delivering Exceptional Service. Nothing Less.

