[4.x (xxx)] 4.x review score out of 5
xxx - number of reviewers at Amazon
Timberland Pro Titan [4.2 (368)] $154-$170
Timberland Pro Pitboss [4.3 (1460)] $115
Wolverine Raider [4.5 (393)] $108-$115
Caterpillar [4.4 (438)] $83-$125
Red Wing [4.3 (169)] $193-$289
Thorogood [4.7 (97)] $200
Keen Utility Men's Tacoma [4.5 (57)] $115

Links:
Best Work Boots For Men & Women - Work Boot Reviews Of The Best On The Market - Best Work Boots: The Work Boot Critic
Best Work Boots 2015 - Top Picks and In-depth Reviews
Best work boots reviews, pricing and recommendations