From: https://www.thinkmate.com/

For over 25 years, Thinkmate has been a leader in building the highest quality computer systems 
for Business, Research and more. Learn more.

From: https://pcpartpicker.com/list/

Building your own PC and need ideas on where to get started? Explore our build guides, 
which cover systems for all use-cases and budgets, or create your own and share it with our community.

From: https://www.rackmountpro.com/product/2419/2023US-TR4.html

RackMountPro designs and builds top quality rack mount servers, storage, chassis and accessories 
for businesses of all sizes and industries. We work with some of the most advance and reputable 
technology companies in the industry such as Intel, AMD, Microsoft, NVidia, SuperMicro, HP, Seagate, 
IBM, Asus and many more. Our complete line of innovative products include rack mount server from 1U 
to 9U, enterprise servers, advance computing solutions for HPC, Data Center, Virtualization, Clustering,
Cloud Computing and GPU. RackMountPro has been the premiere choice for government agencies, major 
corporations, education institutions and small businesses who want to gain the competitive edge in today's demanding IT environment.

From: http://www.pcper.com/hwlb

Low ... Mid ... High and Dream machine builds

From: http://www.velocitymicro.com/wizard.php?iid=75

From: http://www.logicalincrements.com/#

  This guide helps you pick a computer for a specific budget. If your budget is as high as $5000, or as low 
  as $250, we can suggest PC components for you that will give you good quality for the price, and good 
  performance for the price. The guide also has a short description of what PC components are, what extras you 
  need for a complete PC (DVD-writer, operating system, screen, mouse, etc), as well as places to buy and 
  places to get more in-depth info. - See more at: 
  http://www.logicalincrements.com/newuserguide/#sthash.xcQgiU29.dpuf

From: http://www.maximumpc.com/build_pc_recommended_builds_february_2014

  Budget is an entry-level rig with pep, Baseline gets you a powerful system for gaming and content creation at 1080p, 
  and Performance beefs everything up across the board. These rigs are lab-tested and editor-approved. As an added 
  bonus, we've also collected several of our Upgrades of the Month from past issues, for your shopping perusal.
  
  

  System Specs:
  Intel i5 4590 with stock cooler
  MSI|Z87-G41 Motherboard
  16 Gigs Kingston Hyper X Fury DDR3 1600
  Western Digital 1TB Hard Drive
  Samsung 840 Pro SSD 128 Gig
  Generic mid tower case with 3 120mm fans
  

From: https://www.gamepc.com/shop/custom?rig=custom-100

build your own