64/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 829 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pest Control Companies in Merrillville, IN (2026)
37 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Merrillville: Guardian Pest Control, CR Score 64/100; 4.9★ from 829 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #2 of 37.
- 2
Most-reviewed: Orkin, 4,390 Google reviews at 4.6★, the most of 37 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
37 Merrillville pest control companies are ranked here by CR Score, from ten published factors. 10 are open 24/7, 29 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 37 rated businesses.
Top 10 pest control companies in Merrillville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Guardian Pest Control | 64 | 4.9★ (829) | Griffith, 7 mi away | 24/7 | Overall |
| 2 | Orkin | 60 | 4.6★ (4,390) | Crestwood, 24 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Lawn Doctor of West Lake County | 60 | 4.9★ (434) | Griffith, 4 mi away | Sat | — |
| 4 | Green Pest Management | 57 | 5.0★ (74) | Schererville, 7 mi away | Sat | — |
| 5 | Ace Exterminating Co., INC. | 57 | 5.0★ (104) | Highland, 9 mi away | Sat | — |
| 6 | Franklin Pest Solutions | 57 | 4.7★ (325) | Hammond, 13 mi away | Sat | — |
| 7 | Monroe Pest Control Inc | 57 | 4.6★ (129) | Hobart, 5 mi away | Sat | — |
| 8 | Orkin | 56 | 4.5★ (370) | Crestwood, 24 mi away | 24/7 | — |
| 9 | Rapid Pest Solutions | 56 | 4.8★ (136) | Munster, 11 mi away | Sat | — |
| 10 | Chicago Pests, LLC | 56 | 4.9★ (277) | Park Forest, 18 mi away | Sat | — |
The 37 best pest control companies in Merrillville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
#2 Orkin
Based in Crestwood, 24 mi away
60/100CR ScoreRanked #2 because of its Google rating and review volume: 4.6★ from 4,390 Google reviews, the most in Merrillville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Griffith, 4 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 434 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schererville, 7 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Highland, 9 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hammond, 13 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 325 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hobart, 5 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 129 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#8 Orkin
Based in Crestwood, 24 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ from 370 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Munster, 11 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 136 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Park Forest, 18 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 277 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dyer, 10 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 26 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portage, 8 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.7★ from 315 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gary, 8 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 16 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 404 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gary, 8 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 23 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 488 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gary, 3 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 24 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Lawn, 23 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gary, 3 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calumet City, 14 mi away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 Terminix
Based in Chicago, 24 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 DO PEST CONTROL
Based in Gary, 5 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hobart, 5 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Blue Island, 22 mi away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 37 pest control companies
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | The Mosquito Store | 51 | 4.8★ (5) | 23 mi |
| 27 | R.B. Pest Solutions | 51 | 4.5★ (93) | 24 mi |
| 28 | Platinum Pest Solutions | 51 | 4.1★ (144) | 14 mi |
| 29 | South Suburban Maintenance Inc. | 50 | 4.6★ (59) | 16 mi |
| 30 | Mosquito Joe | 49 | 5.0★ (10) | 24 mi |
| 31 | Proper Pest Control | 49 | 4.8★ (8) | 23 mi |
| 32 | Strickall Pest Control | 49 | 5.0★ (6) | 22 mi |
| 33 | Southwest Pest Control Co | 48 | 3.1★ (7) | 25 mi |
| 34 | Ricci's Landscape Management, Inc. | 48 | 4.7★ (200) | 13 mi |
| 35 | Beverly Bed Bugs Extermination | 47 | 5.0★ (3) | 23 mi |
| 36 | Naturescape Lawn and Landscape Care | 47 | 4.1★ (44) | In Merrillville |
| 37 | Groen's Wildlife Services | 43 | 4.0★ (8) | 20 mi |
Also serving Merrillville
9 more pest control companies within 25 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 |
|---|---|---|
| Brevix Pest Management | 11 mi | |
| Fleming Pest Control | 5.0★ (2) | 13 mi |
| Four Seasons Pest Control | 23 mi | |
| GoldenRidge Bridge Pest Control | 23 mi | |
| Intact Pest Control | 9 mi | |
| Local Pest Control Services in Hammond | 5.0★ (1) | 11 mi |
| Professional Clean Cut Guy, LLC and Nell Endustries,DBA | 24 mi | |
| Tree Hugger Pest Control - Hammond | 5.0★ (1) | 10 mi |
| Wildlife Trapper Pro | 9 mi |
How we ranked Merrillville pest control companies
We scored 37 Merrillville pest control companies 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 November 3, 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 Merrillville 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 |
Pest control companies in Merrillville: frequently asked questions
Who is the best pest control company in Merrillville?
By CR Score, the highest-ranked pest control company in Merrillville, IN is Guardian Pest Control with a CR Score of 64/100. It has 4.9★ from 829 Google reviews. It is open 24/7. Orkin (#2) and Lawn Doctor of West Lake County (#3) follow. We ranked 37 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Merrillville?
ContractorsRanked ranks 37 pest control companies serving Merrillville, IN. 1 of them is based in Merrillville; the rest serve it from nearby towns. Another 9 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Merrillville are open 24/7?
10 ranked pest control companies in Merrillville post 24/7 hours. The highest-ranked are Guardian Pest Control (#1), Orkin (#2) and Orkin (#8). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Merrillville work on weekends?
29 of 37 ranked pest control companies post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are Guardian Pest Control (#1), Orkin (#2) and Lawn Doctor of West Lake County (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Merrillville pest control companies have?
The median Google rating among 37 rated pest control companies in Merrillville is 4.8★, with a median of 59 reviews. Orkin has the most, 4,390 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank pest control companies?
Each pest control company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do pest control companies outside Merrillville count in this ranking?
Yes, if they are within 25 mi of the Merrillville city center, our service radius for pest control companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can pest control companies pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Merrillville
- November 2026: CR Scores recalculated for 37 pest control companies serving Merrillville.
More pest control companies and Merrillville pages
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