 | Mattawan High School | Mattawan, michigan, united states | 27 | - | - | |
 | H&H Contract Haulers | Mattawan, michigan, united states | 2 | transportation and trucking and railroad | 2011 | |
 | Copy Masters | Mattawan, michigan, united states | 1 | textiles | - | |
 | ralph moyle, inc. | mattawan, michigan, united states | - | transportation and trucking and railroad | 1966 | |
| visio-rx | mattawan, michigan, united states | - | consumer goods | - | |
 | pretty lake | mattawan, michigan, united states | - | recreational facilities and services | 1916 | |
 | great lakes west, llc | mattawan, michigan, united states | - | food and beverages | 1999 | |
 | java joint | mattawan, michigan, united states | - | food and beverages | - | |
 | mattawan animal hospital | mattawan, michigan, united states | - | veterinary | - | |
| miles painting | mattawan, michigan, united states | - | civic and social organization | - | |
| pro fleet refinishing | mattawan, michigan, united states | - | transportation and trucking and railroad | - | |
| brod solutions llc | mattawan, michigan, united states | - | information technology and services | 2012 | |
| mpi sa | mattawan, michigan, united states | - | information technology and services | 2003 | |
| schultz fruitridge farms, inc. | mattawan, michigan, united states | - | farming | 1951 | |
| mattawan chiropractic clinic | mattawan, michigan, united states | - | medical practice | - | |
| creekside manor | mattawan, michigan, united states | - | hospital and health care | - | |
| bc-biostat inc. | mattawan, michigan, united states | - | pharmaceuticals | 1994 | |
| stitches by design | mattawan, michigan, united states | - | apparel and fashion | - | |
| st john bosco | mattawan, michigan, united states | - | primary and secondary education | - | |
| mol-son, llc | mattawan, michigan, united states | - | machinery | - | |
