22 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sullivan: Freedom Midwest Windows and Siding, LLC, CR Score 55/100; 5.0★ from 83 Google reviews.
Best for emergencies (open 24/7): upkeep techniques pressure washing and window cleaning, posts 24/7 hours; ranked #3 of 22.
Most-reviewed: Wildwood Roofing & Construction, 394 Google reviews at 4.6★, the most of 22 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
22 Sullivan window installers are ranked here by CR Score, from ten published factors. 4 are open 24/7, 8 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 22 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Freedom Midwest Windows and Siding, LLC | 55 | 5.0★ (83) | Ballwin, 33 mi away | — | Overall |
| 2 | Window Gang | 53 | 4.8★ (260) | Eureka, 30 mi away | — | — |
| 3 | upkeep techniques pressure washing and window cleaning | 52 | 4.8★ (20) | De Soto, 33 mi away | 24/7 | Emergencies |
| 4 | Genuine Contracting | 52 | 5.0★ (39) | Pacific, 30 mi away | 24/7 | — |
| 5 | The Window and Siding Source of St. Louis | 52 | 5.0★ (22) | Ballwin, 39 mi away | Sat | — |
| 6 | Franklin County Glass | 52 | 4.3★ (25) | Washington, 24 mi away | — | — |
| 7 | Proline Window Tinting | 51 | 4.7★ (34) | Barnhart, 35 mi away | — | — |
| 8 | Hawkins Windows LLC | 51 | 5.0★ (15) | Union, 28 mi away | — | — |
| 9 | All-Type Window and Door llc | 51 | 4.8★ (16) | Warrenton, 40 mi away | — | — |
| 10 | Wildwood Roofing & Construction | 51 | 4.6★ (394) | Ellisville, 40 mi away | 24/7 | Most reviews |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eureka, 30 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 260 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in De Soto, 33 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Pressure washing service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pacific, 30 mi away
Ranked #4 because of its Google rating and review volume: 5.0★ from 39 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ballwin, 39 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 24 mi away
Ranked #6 because of its Google rating and trade focus: 4.3★ from 25 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barnhart, 35 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 34 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Union, 28 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warrenton, 40 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ellisville, 40 mi away
Ranked #10 because of its Google rating and review volume: 4.6★ from 394 Google reviews, the most in Sullivan.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chesterfield, 36 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arnold, 37 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barnhart, 39 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eureka, 40 mi away
Ranked #14 because of its Google rating and trade focus: 3.5★ from 16 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Chesterfield, 38 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 37 mi away
Ranked #16 because of its Google rating and trade focus: 2.7★ from 7 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Washington, 24 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eureka, 35 mi away
Ranked #18 because of its Google rating and review volume: 4.7★ from 88 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saint Peters, 36 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pacific, 28 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “Window supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Festus, 38 mi away
Ranked #21 because of its Google rating and review volume: 4.4★ from 24 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wentzville, 39 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
11 more window installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A+ Siding and Custom Trim | 1.0★ (1) | 39 mi |
| AP Exteriors | 30 mi | |
| Better Builders Construction & Realty | 36 mi | |
| Budget Wise Windows | 36 mi | |
| Gateway City Glass | 26 mi | |
| Kirkwood Exteriors LLC | 39 mi | |
| Massa Exteriors | 5.0★ (2) | 38 mi |
| Meramac Siding & Windows | 5.0★ (2) | 26 mi |
| Sears Heating and Air Conditioning | 4.0★ (1) | 39 mi |
| Storm Guard Roofing & Construction of SW St. Louis | 20 mi | |
| The Window and Siding Connection LLC | 5.0★ (1) | 29 mi |
Typical prices in USD, adjusted for Missouri with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,550 | $7,580 | $12,220 | Per project (several windows): typical range of customer-reported projects. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 22 Sullivan window installers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Sullivan data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |