Since 1962 when LONCO, Inc. was founded, we have provided high quality and innovative civil, structural, and transportation engineering and project management services. Over our history, we have compiled an extensive resume that features numerous types of design projects thanks to our driven engineers and diverse nationwide clientele.

LONCO's engineers are registered in nearly every state across the country, and in the District of Columbia and Canada. We undertake assignments for hundreds of public and private clients including local, state, and federal governments. Our experienced staff regularly provides services to industrial, energy, commercial, recreational, institutional, financial, laboratories, transportation, and historical preservation market sectors.

LONCO is committed to providing thorough, consistent, responsive, innovative, and cost effective design solutions while maintaining a strong sense of partnership with our clients. The Principals are also dedicated to growing our staff through team and personal development, continuing technical education, membership in professional associations, and involvement within the community.