"His home port for thirty years of his fleet of steel carferries was Ludington, Michigan." - home of his fleet of steel carferries for thirty years
Done
"The old fashion technology previously involved transferring bulk material from railroad cars to steamship vessel" - antiquated
Done
"The break-bulk transfer involved crews of laborers at both the loading and unloading points. That was a costly time-consuming process that was inefficient for profits." - These two sentences might be better off merged into one.
"He later moved back east to Saginaw, Michigan. There as a young man of 105 pounds (48 kg) he started as a coal stoker on locomotives for the Flint and Pere Marquette Railroad." - consider merging these two sentences together
Done
"After a little more than a year at this job" - just more
Done
"His first steamship he worked on was" - The
Done
"He later worked on the steamships Pere Marquette No. 3 and No. 5 for some time." - how much time exactly?
Done sources only say a few years.
Wikilink Lake Michigan
Done
"Mercereau quit working for the railroad company after a couple of years" - how many years exactly?
"Technology was introducing in the 1890s" - better; In the 1890s, technology was introducing
Done
"but this old technology was on its way out." - the text in bold is informal and needs rewriting to a formal style
Done
"but this old technology" - antiquated
Done
Wikilink carferry to the appropriate article on the first mention
Done
"The next steel carferry for the railroad company was the SS Pere Marquette No. 17. It was basically the same as PM No. 15 except with more extensive cabin accommodations." - consider having both of these sentences merged
Done
" This carferry originally was called the SS Muskegon and renamed as the SS Pere Marquette No. 16 as the second carferry in its fleet." - but was renamed
Done
"Business was growing rapidly, so he then ordered two more steel carferries. " - With business growing rapidly, he ordered two more steel ferries.
Done
"He was known as the "Father of the Fleet" since he gave 31 years of service to the Pere Marquette Railway." - known by whom?
Done
"He was known as the 'father of the railroad on the water'" - same query as above
Done
"for transporting as a complete loaded freight car unit." - transportation
Done
"for the commercial transportation industry in general in the long run." - long-term