No. 4: Burns & McDonnell

Burns & McDonnell is a 100 percent employee-owned company made up of more than 5,500 engineers, architects, construction professionals, scientists, consultants and entrepreneurs with offices across the country and throughout the world.

With employee-owners working from more than 35 Burns & McDonnell offices, the firm’s key areas of focus include: power and energy, oil and gas, transportation, facilities and buildings, water and environmental. Its Oklahoma City focuses on pursuing projects related to facilities, environmental, electrical transmission and distribution, oil and gas, and process and industrial.

Read more at Best of the rest — Small employers