They manufacture rocket engines for different stages of which we have references BA-44 and BA-3200, both running on H2O2/Kerosene.

-This is Texas based Beal Aerospace. which is a private rocket and rocket engine builder. They built the largest of that time (except Saturn).

"Beal BA-8100 engine"

-The Beal BA-8100 delivers 810,000 pounds of thrust.

-The three-stage BA-2 rocket has the BA-4100 engine.

"BA-2 rocket launching"

From appendix 9: They also made the following rocket engines.

-BA-44
-BA-810
-BA-3200