I applied through college or university. The process took 2 days. I interviewed at Whiting-Turner in Jan 2018
Interview
They had a presentation that evening at our school. Attended an interview the following day. Brought in resume, the two interviewers asked a few questions. Pretty Informal. Followed up multiple times. No response.
It was pretty simple, all they were asking was about previous experience questions and asking why interested in the company and industry, definitely judge you on your personality and public speaking.
Pretty straightforward. They mostly ask personal questions rather than behavioral. Make sure you know why you want work there and have a solid answer to “tell me a bit about yourself “
Panel of different interviews with different project managers or vp's. They then ask what you're looking for out of the internship, your experience, and basically make sure you are a good candidate.