Any info on non-Union tugboats companies in Long Beach

Offshore
1

i am looking for information of non union tugboat companies in Long Beach, CA. any info will be appreciated.

2

I think curtain marine maybe non union

3

Curtin Maritime is the only non union. Pacific Tugboat Service was non union but I hear they are going IBU, or may already have.

4

Thank you for the replies, will check it out. thanks again