Roofing and cladding material manufacturing and property have been good to Moorhen Holdings, which keeps its top spot for profitability in Chesterfield.
It made £5.3 million before tax up from £4.5m the year previous and £2.3 in 2013.
The Chesterfield-based company is second in the main table, turns over £24.9m and employs 50.
Chesterfield Poultry proves halal chickens can lay a golden egg. It saw a 55.7 per cent rise in profits to £3.13m, up from £2m the year before and £1.7m the year before that.
Another profit-table regular, Cathelco will be familiar to thousands due to its distinctive wavy-roofed factory beside the A61 bypass on the outskirts of town.
The firm deisgns and makes equipment for ships and offshore installations.
Cathelco moved into the factory in May 2009 and has continued to grow to the point where it employs almost 100 people. More than 95 per cent of output is destined for customers in shipyards ranging from Europe and the Far East to South America and Australasia.
The company now has a portfolio which is marketed worldwide to the operators of commercial vessels, cruise ships and the offshore oil industry.
In addition, Cathelco systems are used by more than 40 navies.
Cathelco was founded in Chesterfield because of the area’s strong connections with metals industries and the proximity to Sheffield as a centre for metallurgical research. It also had the advantage of a local workforce with essential engineering skills.
The company built its reputation in the manufacture of marine pipework anti-fouling systems and now has a record of more than 20,000 installations on ships of every type.
The systems prevent blockages in seawater engine cooling systems caused by barnacles and mussels.
Cathelco has also developed protection systems to protect steel and aluminium hulls against corrosion.